Facebook Local - Discover places to go and events happening near you
PodBooker - The easiest way to get booked on podcasts
TechEvents.co - Tech and startup events aggregator
Speaker Directory by HeySummit - Guests for your next event or podcast (or submit yourself!)
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
PitchPodcasts - Promote your podcast to 325+ podcasts and 1.5K users